36 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Infection - Systemic ... Effusions - Septic Arthritis ... : - Reactive arthritis ... #differential #diagnosis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... • Psoriatic arthritis ... Lupus - with Systemic ... should have other symptoms ... #Differential #Diagnosis
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Systemic Sclerosis ... elbows/wrists and knees ... thickening Signs and Symptoms ... #rheumatology #diagnosis ... #signs #symptoms
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... - Arthralgia, Arthritis ... Osteoporosis #Systemic ... pathophysiology #signs #symptoms ... #diagnosis
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
Psoriatic Arthritis ... tenderness over ligament ... Arthritis of DIP ... pathophysiology #diagnosis ... #signs #symptoms
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features of Systemic ... of hip (rare), Arthritis ... joints Nervous system ... erythematosus #signs #symptoms ... #diagnosis #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Tendon • Ligament ... or nerve root Symptoms ... • Inflammatory arthritis ... #differential #diagnosis ... #arthritis
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
context of other symptoms ... Juvenile Idiopathic Arthritis ... scleroderma), Rheumatoid Arthritis ... Juvenile Idiopathic Arthritis ... #rheumatology #diagnosis
Primary Sjogren’s Syndrome: Pathogenesis and Clinical Findings
• Primary Sjögren's is a solitary process whereas secondary Sjögren's
(PBC), or with systemic ... like rheumatoid arthritis ... (RA) or systemic ... Pathophysiology #Diagnosis ... #Signs #Symptoms
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
shearing injury -> Ligaments ... lateral hip Signs/Symptoms ... weight-bear • Arthritic ... Fractures #msk #diagnosis ... pathophysiology #signs #symptoms